fix folder structure

Pilz.Updating.Administration/ProxyConfiguration.cs

@@ -0,0 +1,16 @@
+using Pilz.Cryptography;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Pilz.Updating.Administration
+{
+    public class ProxyConfiguration
+    {
+        public bool UseProxyAuth { get; set; }
+        public string Username { get; set; }
+        public SecureString Password { get; set; }
+    }
+}